ExtrAlkali® Revamping

Patented revamping module for NaOH & KOH concentration unit by Chem-Eng SASU and Wilk Graphite GmbH

About ExtrAlkali®

ExtrAlkali® is a brand born from fruitful collaboration of two internationally renowned companies

A brand for process solutions for the chlor-alkali industry such as:

  • Caustic evaporation / flaking plant
  • Sulfuric acid concentration plant
  • HCl synthesis plant
  • Calcium chloride production plant

Tailor Made Plant

  • No standard concept – designed according to given situation using modules
  • According to available utilities on site (cooling water, steam, etc.)
  • Optimizing OPEX according energy prices (gas, steam, etc.)
  • CAPEX consideration

Revamping Module

1

Typical revamping: upgrade from a double or triple effect system to a quadruple effect system

2

By high temperature only use of SIC equipment to grant an excellent product quality (more or less no Ni pick up) and a long life of all equipment.

3

Up to 5 effects available to reduce energy consumptions / CO₂ emissions

4

ExtrAlkali is the only brand offering such plant concept.

Revamping Benefits

1

Possibility to revamp existing double effects or triple effects evaporation to a quadruple effects system (very low space requirement)

2

Payback less than two years even considering an additional thermal oil heating system

3

Attractive concept especially in country with high energy costs and CO₂ emission taxes

Installation Options

1

Additional effect can be delivered SKID mounted and be installed next to the existing evaporation unit

2

Additional effect can be installed in the existing building (if space available)

3

Thermal oil heating unit is required

Energy Savings

-22%

Energy reduction for triple to quadruple effect upgrade

Energy Savings

-48%

Energy reduction for double to quadruple effect upgrade